how long can it take for young male guppys to develop their gonopodia?? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 9 Old 02-09-2010, 02:20 PM Thread Starter
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how long can it take for young male guppys to develop their gonopodia??

well thats my question....how long does/can it take for young male guppys to develop their gonapodia...(not shure on spelling)...because one of the survivors of the heater blow out is displaying like a male but she/he dosnt have the gonapodia (if you keep male guppys you will know how they display to each other or to win the ladies).....she/he is 4 months old now, is this just a female dominance thing

also the 6 guppys i took to my grandmas fish tank...2 have turned out to be male and this was when they were 2-3 months old...is this onle of mine just a late developer or a female who likes to display???

cheers :):):)

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post #2 of 9 Old 02-09-2010, 11:04 PM
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Sounds more like a dominant female... can you post a clear photo of the fish for us to take a look?

Dawn Moneyhan
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post #3 of 9 Old 02-10-2010, 10:00 AM Thread Starter
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bad news...she/he died over night ....:(:(:(:(:(:(:(

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a wise fish keeper said to me "your not a fish keeper , your a water keeper the fish just live in it"
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post #4 of 9 Old 02-10-2010, 01:34 PM
aweeee that sucks! why r u losing so many fish.... :( im so sorry.

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post #5 of 9 Old 02-10-2010, 01:52 PM Thread Starter
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well my heater blew then over the next few days some of them got white spot quite bad then the weaker ones just passed :(:(:(

190L Tropical Aquarium

a wise fish keeper said to me "your not a fish keeper , your a water keeper the fish just live in it"
5 Pristella Tetra
2 Bristlenose Plecs
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post #6 of 9 Old 02-10-2010, 03:50 PM
yea i know about the heater and the white spots.how do u know when one is weak and one is strong? it may sound like a dumb question but i just dont get it lol.

MY TANKS:

36 GALLON- PLECO, 2 CORIES, ANGELFISH, 2 SILVER DOLLARS,FLY FOX

20 GALLON- 2 female guppies, 20 fry(born 11-26-10)
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post #7 of 9 Old 02-12-2010, 02:55 AM Thread Starter
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i mean the ones that have survived ..are strong ones where as the one that have dies are the weaker ones ....:):):)...3 of my 8 females have survived...they are the stong ones who could fight off the white spot :)

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a wise fish keeper said to me "your not a fish keeper , your a water keeper the fish just live in it"
5 Pristella Tetra
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post #8 of 9 Old 02-12-2010, 03:12 AM
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Sorry to hear about your fish. :(((

I'll try to answer anyways... One time, I went to petsmart, and all the males in the fish tank were chasing this one fish. Well, the guppy appeared to be female, and all the males were chasing her. It was very dull and drab just like a female, and I was pretty sure it had a fan-shaped anal fin. I told them (I was looking to buy 2 females), because I felt bad that it was getting raped constantly by the 20ish males in the tank, so I bought it. For a 1.49$ that the females are (males are 3$)... then after a few weeks it like magically transformed into a male, it was very weird. Now it's a nice looking black male, with a huge body (about the size a female would be) and has a pretty big black back fin. And red/blue spots on the side underneath his side fins. Anyways, the "male" I bought was about 1.5 inches long (you'd think it'd be sexually mature...) so I am suprised it turned out to be a male...

Anyways, my point is... I guess some guppies can develope really late, almost when they are full grown. Most guppies I believe will develope their gonopodium around 0.75 inches to 1 inch from mouth to end of tailfin. I haven't had many baby guppies for a long time, but about 2-3 years ago I had some, and that's about when they started to look like males and developed their gonopodium. I currently have only one baby guppy at about 0.75 inches long. Don't know what it is yet.
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post #9 of 9 Old 02-13-2010, 12:28 AM
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Not sure if this applies to guppies, but can't some fish change sexes? It could be that the fish was originally female and stayed that way due to the abundance of males in the tank, but changed sexes to male once it wasn't around males?

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